Korea Era editorial · 2026-10-12

Ask about transit cards for each traveler in your group

Confirm the rules for the exact card and service before sharing a card. Keeping each traveler’s payment separate makes transfers and balance checks easier. Ask staff about children’s arrangements rather than applying adult-card assumptions.

Platform screen doors and signage on Seoul Subway Line 4 at Seoul Station — Reference photograph, not evidence of current service or conditions.
Image credit: LERK · CC BY-SA 4.0 · resized